Table 2.

Substrate utilisation during 60 min cycling at ∼60% ${\dot{V}}_{{\mathrm{O}}_2\mathrm{peak}}$

	15 min	30 min	45 min	60 min	Overall
Heart rate (beats min−1)	134 ± 3	139 ± 5	139 ± 4	139 ± 6	138 ± 4
Percentage of ${\dot{V}}_{{\mathrm{O}}_2\mathrm{peak}}$	58 ± 2	59 ± 2	60 ± 2	58 ± 2	59 ± 2
RER	0.88 ± 0.01	0.86 ± 0.01	0.86 ± 0.01	0.85 ± 0.01	0.86 ± 0.01
CHO oxidation
(g min−1)	1.48 ± 0.08	1.38 ± 0.08	1.36 ± 0.1	1.26 ± 0.09	1.37 ± 0.07
(% total oxidation)	61.7 ± 3.4	57.2 ± 3.6	23.34 ± 1.8	52.8 ± 4.2	56.6 ± 3.1
Fat oxidation
(g min−1)	0.43 ± 0.05	0.49 ± 0.06	0.52 ± 0.05	0.54 ± 0.07	0.49 ± 0.05
(% total oxidation)	40.1 ± 3.3	44.5 ± 3.5	47 ± 3.12	48.9 ± 4.1	45.1 ± 3.1

Data provided are means ± SEM (n = 8). CHO, carbohydrate; RER, respiratory exchange ratio. Data obtained from Shepherd et al. (2013).